Global Patent Index - EP 0247649 A1

EP 0247649 A1 19871202 - Cochlear implant prosthesis current switching and power supply.

Title (en)

Cochlear implant prosthesis current switching and power supply.

Title (de)

Stromschalteinrichtung und Stromversorgung für eine in die Cochlea implantierte Prothese.

Title (fr)

Dispositif de distribution et d'alimentation en courant pour une prothèse cochléaire implantable.

Publication

EP 0247649 A1 19871202 (EN)

Application

EP 87200717 A 19840409

Priority

US 48380683 A 19830411

Abstract (en)

A prosthesis comprising a multi-electrode array for transmitting electrical stimulations to a patient's auditory nerves and adapted to be implantable in a patient, a patient implantable stimulator means for detecting externally transmitted electrical signals identifying one or more electrodes in said array to act as a source or sink of stimulation current to selected electrodes; current switching means including a controllable current sink in said stimulator means operable by external signals detected by said stimulator means; and a power supply in said implantable stimulator means, said power supply being chargeable by and externally generated power supply signal to connect at least two of any of said electrodes variously to said power supply or said current sink.

IPC 1-7

A61F 11/04; H04R 25/00

IPC 8 full level

A61F 2/18 (2006.01); A61F 11/00 (2006.01); A61F 11/04 (2006.01); A61N 1/36 (2006.01); H04R 25/00 (2006.01); H04R 25/04 (2006.01)

CPC (source: EP US)

A61N 1/36038 (2017.07 - EP US); A61N 1/36039 (2017.07 - EP US); A61N 1/36185 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 0247649 A1 19871202; EP 0247649 B1 19920304; AU 2668384 A 19841018; AU 563754 B2 19870723; AU 595883 B2 19900412; AU 597661 B2 19900607; AU 7322787 A 19870910; AU 7325187 A 19870910; CA 1212501 A 19861014; DE 3482548 D1 19900726; DE 3485547 D1 19920409; DE 3485926 D1 19921022; DE 3485926 T2 19930422; EP 0124930 A1 19841114; EP 0124930 B1 19900620; EP 0241101 A1 19871014; EP 0241101 B1 19920916; JP H0412141 B2 19920303; JP S611200 A 19860107; US 4532930 A 19850806

DOCDB simple family (application)

EP 87200717 A 19840409; AU 2668384 A 19840410; AU 7322787 A 19870520; AU 7325187 A 19870521; CA 451598 A 19840410; DE 3482548 T 19840409; DE 3485547 T 19840409; DE 3485926 T 19840409; EP 84200496 A 19840409; EP 87200716 A 19840409; JP 7256684 A 19840411; US 48380683 A 19830411